CA2046709A1 - Gestion d'un canal rapide d'acces lent durant les transferts de donnees a un systeme cyclique lent - Google Patents
Gestion d'un canal rapide d'acces lent durant les transferts de donnees a un systeme cyclique lentInfo
- Publication number
- CA2046709A1 CA2046709A1 CA2046709A CA2046709A CA2046709A1 CA 2046709 A1 CA2046709 A1 CA 2046709A1 CA 2046709 A CA2046709 A CA 2046709A CA 2046709 A CA2046709 A CA 2046709A CA 2046709 A1 CA2046709 A1 CA 2046709A1
- Authority
- CA
- Canada
- Prior art keywords
- dasd
- slow
- cache
- controller
- operations
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0866—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches for peripheral storage systems, e.g. disk cache
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Memory System Of A Hierarchy Structure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US575,748 | 1990-08-31 | ||
US07/575,748 US5146576A (en) | 1990-08-31 | 1990-08-31 | Managing high speed slow access channel to slow speed cyclic system data transfer |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2046709A1 true CA2046709A1 (fr) | 1992-03-01 |
CA2046709C CA2046709C (fr) | 1996-03-05 |
Family
ID=24301544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002046709A Expired - Fee Related CA2046709C (fr) | 1990-08-31 | 1991-07-10 | Gestion d'un canal rapide d'acces lent durant les transferts de donnees a un systeme cyclique lent |
Country Status (5)
Country | Link |
---|---|
US (1) | US5146576A (fr) |
EP (1) | EP0473376A3 (fr) |
JP (1) | JPH0738174B2 (fr) |
KR (1) | KR950002711B1 (fr) |
CA (1) | CA2046709C (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5544347A (en) | 1990-09-24 | 1996-08-06 | Emc Corporation | Data storage system controlled remote data mirroring with respectively maintained data indices |
US5636358A (en) * | 1991-09-27 | 1997-06-03 | Emc Corporation | Method and apparatus for transferring data in a storage device including a dual-port buffer |
US5261072A (en) * | 1991-10-31 | 1993-11-09 | Tandy Corporation | Compact disk data transfer system using cache memory |
US5893918A (en) * | 1992-05-18 | 1999-04-13 | International Business Machines Corporation | System and method for rotational position sensing miss avoidance in direct access storage devices |
US5721898A (en) * | 1992-09-02 | 1998-02-24 | International Business Machines Corporation | Method and system for data search in a data processing system |
US5539915A (en) * | 1992-09-17 | 1996-07-23 | International Business Machines Corporation | System for completely transferring data from disk having low rate to buffer and transferring data from buffer to computer through channel having higher rate concurrently |
US5555390A (en) * | 1992-10-19 | 1996-09-10 | International Business Machines Corporation | Data storage method and subsystem including a device controller for respecifying an amended start address |
JP3422370B2 (ja) * | 1992-12-14 | 2003-06-30 | 株式会社日立製作所 | ディスクキャッシュ制御装置 |
JP2784440B2 (ja) * | 1993-04-14 | 1998-08-06 | インターナショナル・ビジネス・マシーンズ・コーポレイション | データ・ページの転送制御方法 |
US5584007A (en) * | 1994-02-09 | 1996-12-10 | Ballard Synergy Corporation | Apparatus and method for discriminating among data to be stored in cache |
US5535372A (en) * | 1994-07-06 | 1996-07-09 | International Business Machines Corporation | Method and apparatus for efficient updating of CKD data stored on fixed block architecture devices |
US5659799A (en) * | 1995-10-11 | 1997-08-19 | Creative Technology, Ltd. | System for controlling disk drive by varying disk rotation speed when buffered data is above high or below low threshold for predetermined damping period |
US5901327A (en) * | 1996-05-28 | 1999-05-04 | Emc Corporation | Bundling of write data from channel commands in a command chain for transmission over a data link between data storage systems for remote data mirroring |
US6052797A (en) * | 1996-05-28 | 2000-04-18 | Emc Corporation | Remotely mirrored data storage system with a count indicative of data consistency |
US5918241A (en) * | 1997-02-21 | 1999-06-29 | Lsi Logic Corporation | Method and apparatus for setting a plurality of addresses |
US5944802A (en) * | 1997-08-28 | 1999-08-31 | International Business Machines Corporation | Dynamic speed matching of host channel and device data transfers |
EP0971353A1 (fr) * | 1998-01-16 | 2000-01-12 | Matsushita Electric Industrial Co., Ltd. | Peripherique d'entree/sortie de donnees av |
JPH11312143A (ja) * | 1998-04-28 | 1999-11-09 | Clarion Co Ltd | 情報処理装置及び方法、カーオーディオシステム及びその制御方法並びに情報処理用プログラムを記録した記録媒体 |
US6370614B1 (en) | 1999-01-26 | 2002-04-09 | Motive Power, Inc. | I/O cache with user configurable preload |
US6463509B1 (en) | 1999-01-26 | 2002-10-08 | Motive Power, Inc. | Preloading data in a cache memory according to user-specified preload criteria |
US6748486B2 (en) | 2001-01-04 | 2004-06-08 | International Business Machines Corporation | Method, system, and data structures for superimposing data records in a first data format to memory in a second data format |
US7421459B2 (en) * | 2002-03-06 | 2008-09-02 | Hewlett-Packard Development Company, L.P. | Buffer management for data transfers between a host device and a storage medium |
US7580465B2 (en) * | 2005-06-30 | 2009-08-25 | Intel Corporation | Low speed access to DRAM |
US9229829B2 (en) * | 2012-07-25 | 2016-01-05 | GlobalFoundries, Inc. | Synchronous mode replication to multiple clusters |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5654535A (en) * | 1979-10-08 | 1981-05-14 | Hitachi Ltd | Bus control system |
US4393445A (en) * | 1981-03-06 | 1983-07-12 | International Business Machines Corporation | Information-signal recording apparatus employing record volume oriented identification signals |
JPS57168360A (en) * | 1981-03-31 | 1982-10-16 | Fujitsu Ltd | Magnetic recording controlling system |
JPS5837888A (ja) * | 1981-08-28 | 1983-03-05 | Toshiba Corp | キヤツシユ装置 |
US4429363A (en) * | 1981-10-15 | 1984-01-31 | International Business Machines Corporation | Method and apparatus for managing data movements from a backing store to a caching buffer store |
US4571674A (en) * | 1982-09-27 | 1986-02-18 | International Business Machines Corporation | Peripheral storage system having multiple data transfer rates |
US4583166A (en) * | 1982-10-08 | 1986-04-15 | International Business Machines Corporation | Roll mode for cached data storage |
JPS59173867A (ja) * | 1983-03-22 | 1984-10-02 | Fujitsu Ltd | デイスクキヤツシユデ−タ転送制御方式 |
JPS59202555A (ja) * | 1983-05-02 | 1984-11-16 | Hitachi Ltd | デイスクキヤツシユ制御方式 |
US4603380A (en) * | 1983-07-01 | 1986-07-29 | International Business Machines Corporation | DASD cache block staging |
JPS60222943A (ja) * | 1984-04-20 | 1985-11-07 | Fujitsu Ltd | デイスクキヤツシユ制御方式 |
US4875155A (en) * | 1985-06-28 | 1989-10-17 | International Business Machines Corporation | Peripheral subsystem having read/write cache with record access |
JPS62210555A (ja) * | 1986-03-12 | 1987-09-16 | Hitachi Ltd | デイスクキヤツシユ制御方式 |
JPS6385845A (ja) * | 1986-09-29 | 1988-04-16 | Mitsubishi Electric Corp | キヤツシユ装置 |
US4882642A (en) * | 1987-07-02 | 1989-11-21 | International Business Machines Corporation | Sequentially processing data in a cached data storage system |
US4956803A (en) * | 1987-07-02 | 1990-09-11 | International Business Machines Corporation | Sequentially processing data in a cached data storage system |
JP2634867B2 (ja) * | 1988-07-26 | 1997-07-30 | 株式会社日立製作所 | デイスクキヤツシユデータ転送制御方式 |
US4912630A (en) * | 1988-07-29 | 1990-03-27 | Ncr Corporation | Cache address comparator with sram having burst addressing control |
US4947319A (en) * | 1988-09-15 | 1990-08-07 | International Business Machines Corporation | Arbitral dynamic cache using processor storage |
JPH0322156A (ja) * | 1989-06-20 | 1991-01-30 | Tokico Ltd | 磁気ディスク装置 |
-
1990
- 1990-08-31 US US07/575,748 patent/US5146576A/en not_active Expired - Lifetime
-
1991
- 1991-07-10 CA CA002046709A patent/CA2046709C/fr not_active Expired - Fee Related
- 1991-07-16 JP JP3199909A patent/JPH0738174B2/ja not_active Expired - Lifetime
- 1991-07-16 KR KR1019910012116A patent/KR950002711B1/ko not_active IP Right Cessation
- 1991-08-23 EP EP19910307771 patent/EP0473376A3/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
KR920004990A (ko) | 1992-03-28 |
US5146576A (en) | 1992-09-08 |
KR950002711B1 (ko) | 1995-03-24 |
EP0473376A3 (en) | 1992-12-16 |
JPH04256143A (ja) | 1992-09-10 |
CA2046709C (fr) | 1996-03-05 |
EP0473376A2 (fr) | 1992-03-04 |
JPH0738174B2 (ja) | 1995-04-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |